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Nano-motor via Maxwell's Demon - 2/1/2007 5:12:29 PM   
deathitivity


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http://physicsweb.org/articles/news/11/1/26/1
http://www.int.iol.co.za/index.php?set_id=1&click_id=116&art_id=qw1170340561317B216

How incredibly exciting... Maxwell's demon finally realized by a molecular dumbbell structure, powered by light (as predicted by Maxwell himself) and used to create a molecular-scale motor!  And you thought dumbbells were only good for making free weights!

Proof of application:
In an earlier study, he and his team showed that a nanomachine could move a drop up water uphill by using molecular force. Although the movement was small, it was a big step in learning to make machines with artificial molecules.


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RE: Nano-motor via Maxwell's Demon - 2/1/2007 5:15:13 PM   
Bottomlftop


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One step closer to the whole world becoming a pile of grey goo.

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RE: Nano-motor via Maxwell's Demon - 2/1/2007 5:25:29 PM   
deathitivity


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quote:

ORIGINAL: Bottomlftop

One step closer to the whole world becoming a pile of grey goo.

Yes!!!! 

Wait, no... 

< Message edited by deathitivity -- 2/1/2007 5:26:00 PM >


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RE: Nano-motor via Maxwell's Demon - 2/1/2007 9:17:00 PM   
Real0ne


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this could do wonders for medicine

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RE: Nano-motor via Maxwell's Demon - 2/1/2007 10:05:04 PM   
Termyn8or


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Well if it can pump water, it can fill microscopic cells. If it can do that you'll have something that can change shape. Don't discount this, because like the transistor they will find a way to print it. We have IC chips that have millions of transistors in them because they figured out how to print them. The artwork for the processor in your PC is probably bigger than your house, but in a process pretty much the inverse of what a photo enlarger does, they get extreme resolution, and thus component density.

So when they learn to make these cells, and make alot of multiple demons, and excite them properly, you will have where you can sit at your desk with nothing on it, say the word 'computer' and have the console and monitor just pop up seemingly out of nowhere. You won't need a flip phone either, by whatever method you answer it in those days, it'll simply grow an earpiec for you, but you will probably have to hang up to switch styles.

And if they can hook up these nanomotors somehow to light refraction or reflection, you will see display technology take off. I already know how to make a true 3D screen, and I know they can do it. The cost is highly prohibitive though. This involves making a many many layer device, using laser interference to select the laser relection points, and each layer is basically a DLP element. Problem with that is there has to be a layer on each plane for each of the primary colors because the wavelengths are different.

DLPs work by electrostatic repulsion, but it is actually a form of a nano motor, just not quite. The pitch is not quite down to the molecular level.

Anyway, as far as nanomotors go, before they can have any real value, they need to figure out how to reset them, or possibly instead of a barbell a ring ?

Actrually now that I think of it, this technology will not work for displays unless the excitation wavelength is IR or UV. I think it would be too hard to deal with, but in the future ?

Like the guy said, it's like asking the inventor of the wheel to envision the freeway system. (something real close to that).

T

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